X plus 3y equals 4 -x plus 2y equals -4?

x + 3y = 4

-x + 2y = -4

Simultan eous eq'ns.

Eliminate 'x' by adding. 4

Hence

5y = 0

y = 0

When y = 0

Substitute

x + 3(0) = 4

x + 0 = 4

x = 4

So the answer as a coordinate pairs is ( x,y) = ( 4,0)